CHS 508x15.1 AHMSA · Weight & Dimensions

AHMSA, cold-formed sections · Circular Hollow Section

Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.

Also known as: Caño estructural redondo (Argentina)

The CHS 508x15.1 steel profile weighs 183.6 kg/m (123.35 lb/ft). Cross-sectional area: 23,382.214 mm². Moment of inertia Ix = 71,075.624 cm⁴, Iy = 71,075.624 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	15.1 mm	0.59 in
Diameter (d)	508 mm	20.00 in
Weight	183.6 kg/m	123.35 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	23,382.21 mm²	36.242 in²
Moment of inertia (Ix)	71,075.62 cm⁴	1707.59 in⁴
Moment of inertia (Iy)	71,075.62 cm⁴	1707.59 in⁴
Elastic section modulus (Sx)	2,798.25 cm³	170.761 in³
Elastic section modulus (Sy)	2,798.25 cm³	170.761 in³
Plastic section modulus (Zx)	3,669.7 cm³	223.940 in³
Plastic section modulus (Zy)	3,669.7 cm³	223.940 in³
Radius of gyration (rx)	17.43 cm	6.864 in
Radius of gyration (ry)	17.43 cm	6.864 in